reorg
get PL/SQL for unix_ts_to_date() wotking
comment out the unix_ts_to_date PL/SQL function
remove references to unix_ts_to_date
remove some code that is noi longer needed
    o  code for the shn.time_pkg
    o  code for the unix_ts_to_date() PL/SQL function
add a query to detect nursing.sp_vivits visit_dates in the future
spelling only
add a tab for billing truncation
comments for SMAA gteneration tab
clarity